Negative Lookbehind(?<!:) :the literal : (5810 / 728 / 3A16)
:the literal : (5810 / 728 / 3A16)
\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
\d{1,3}a digit, repeated between 1 and 3 times
Non-Capturing Group(?:\.\d{1,3}){3} {3}repeats the group contents below exactly 3 times:
\.the literal . (4610 / 568 / 2E16)
\d{1,3}a digit, repeated between 1 and 3 times
Positive Lookahead(?=:(?!:)) :the literal : (5810 / 728 / 3A16)
:the literal : (5810 / 728 / 3A16)
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string